45 inch water column switch ensures consistent pressure sensing across a wide range of operating temperatures and airflow variables

Does this orifice work with propane

Easy Installation: Horizontal orientation aligns with standard pneumatic wall plates for fast field service

Always match the specific temperature ratings of the 100799

Watts 0556030 Valve 45 inch water column switchThe Watts 0556030 (Series LFN36M1) is a high performance 1 2 inch vacuum relief valve engineered for critical protection in closed systems. Designed for water heater vacuum relief and low pressure steam service, this valve automatically vents to the atmosphere when a vacuum occurs. This action prevents negative pressure from siphoning the tank, which often leads to tank collapse or equipment burnout. Built with a lead free brass body and a low profile